Augustus Addison Gould was an American medical doctor, naturalist and the foremost conchologist of his era. He described over 1,100 new species of mollusks, including all known mollusks of Massachuset
Jean Louis Rodolphe Agassiz was a Swiss-born American biologist and geologist who is recognized as a scholar of Earth's natural history.
Augustus Addison Gould
…fill many pages of the publications of the Boston Society of Natural History (see vol. xi. p. 197 for a list) and other periodicals. He published with Louis Agassiz the Principles of Zoology (2nd ed. 1851)." He taught botany and zoology at Harvard for two years. When Charles Lyell visited the United States in order…
Agassiz, c. 1865
Portrait by Fritz Zuber-Buhler, 1844
Agassiz (seated) with Benjamin Peirce
Portrait photograph by John Adams Whipple, circa 1865